| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Male |
| Full name | Martín Nicolás•Castañares Mariano |
| Used name | Martín•Castañares |
| Born | 10 September 1998 |
| NOC |  Uruguay |
| Medals | YOG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2014 Summer Youth Olympics | Athletics | URU |
Martín Castañares | |||
| 8 × 100 metres Relay, Mixed Youth (YOG) | Mixed team 17 | 3 | Bronze | |||
| Pole Vault, Boys (YOG) | 14 |
